Digital Storage Oscilloscope 25
＝, ≠: Within a ±5% tolerance, triggers the oscilloscope when the signal pulse
width is equal to or not equal to the specified pulse width.
＜, ＞: Triggers the oscilloscope when the source signal pulse width is less than
or greater than the specified pulse width.
2.8.1.3 Video Trigger
Video triggering can be used to capture the complicated waveforms of most standard
analog video signals. The trigger circuitry detects the vertical and horizontal interval of
the waveform and produces triggers based on the video trigger settings you have
selected. DSO4000 supports standard video signal field or line of NTSC (National
Television Standards Committee), PAL (Phase Alternating Line) and custom video
signal trigger.
1. Press the [TRIG MENU] button on the front panel to enter the TRIGGER function
menu.
Triggers when pulse is equal to width
setting ±5%
Triggers when pulse is greater than
width setting
Triggers when pulse is not equal to
width setting ±5%
Triggers when pulse is less
than width setting
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